87217956

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20359}}^1$

素因数の和:20393

約数の個数: 72

約数和(自身を含む): 266797440

約数和(自身を除く): 179579484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 20359, 40718, 61077, 81436, 122154, 142513, 183231, 244308, 285026, 346103, 366462, 427539, 570052, 692206, 732924, 855078, 1038309, 1282617, 1384412, 1710156, 2076618, 2422721, 2565234, 3114927, 4153236, 4845442, 5130468, 6229854, 7268163, 9690884, 12459708, 14536326, 21804489, 29072652, 43608978, 87217956]

約数ペア:

[(1, 87217956), (2, 43608978), (3, 29072652), (4, 21804489), (6, 14536326), (7, 12459708), (9, 9690884), (12, 7268163), (14, 6229854), (17, 5130468), (18, 4845442), (21, 4153236), (28, 3114927), (34, 2565234), (36, 2422721), (42, 2076618), (51, 1710156), (63, 1384412), (68, 1282617), (84, 1038309), (102, 855078), (119, 732924), (126, 692206), (153, 570052), (204, 427539), (238, 366462), (252, 346103), (306, 285026), (357, 244308), (476, 183231), (612, 142513), (714, 122154), (1071, 81436), (1428, 61077), (2142, 40718), (4284, 20359)]